Home / 125,352.84-172,994.76-68,764.32

Finding the Fourth Proportional to 125,352.84, 172,994.76 and 68,764.32

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Solution

The fourth proportional to 125,352.84, 172,994.76 and 68,764.32 is: 94,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,352.84 : 172,994.76 = 68,764.32 : x
  2. Step 2: Convert to fraction form
    125,352.84/172,994.76 = 68,764.32/x
  3. Step 3: Cross multiply
    125,352.84x = 172,994.76 × 68,764.32
  4. Step 4: Simplify right side
    125,352.84x = 11,895,867,034.96
  5. Step 5: Solve for x
    x = 11,895,867,034.96/125,352.84
  6. Step 6: Final answer
    x = 94,899.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.